The majority of the NBA lacks such a player. And you're asking a bunch of 19 year old kids to transform into a grizzly veteran 10 years their senior in game situations they've never been in? It's not that simple.
When you can find a shutdown defender that can knock down 95% of his clutch free throws in D2 basketball, let me know.
When you can find a shutdown defender that can knock down 95% of his clutch free throws in D2 basketball, let me know.